Synthetic Decking Roundup | Professional Deck… 1 Jan 2012 . It would be convenient if all synthetic decking products were created equal and the . of the composite material is evident when you look at the end of a sample. . called a capstock to be fused to an inner substrate under heat and pressure. .. July caps only three sides of its boards, claiming that leaving the.

UltraDeck (Menards) composite decking? - That… 21 Apr 2008 . I liked the little t-bars that hold the Fusion type decking down so there are no exposed . They also have the end caps but I did not use them.